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Finding the Fourth Proportional to 32,725.44, 45,163.44 and 18,579.20

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Solution

The fourth proportional to 32,725.44, 45,163.44 and 18,579.20 is: 25,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,725.44 : 45,163.44 = 18,579.20 : x
  2. Step 2: Convert to fraction form
    32,725.44/45,163.44 = 18,579.20/x
  3. Step 3: Cross multiply
    32,725.44x = 45,163.44 × 18,579.20
  4. Step 4: Simplify right side
    32,725.44x = 839,100,358.63
  5. Step 5: Solve for x
    x = 839,100,358.63/32,725.44
  6. Step 6: Final answer
    x = 25,640.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.